tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/* sis.c -- sis driver -*- linux-c -*-
2 *
3 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
4 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
5 * All Rights Reserved.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the next
15 * paragraph) shall be included in all copies or substantial portions of the
16 * Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
22 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
23 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
24 * DEALINGS IN THE SOFTWARE.
25 *
26 */
27
28#include "drmP.h"
29#include "sis_drm.h"
30#include "sis_drv.h"
31
32#include "drm_pciids.h"
33
34static struct pci_device_id pciidlist[] = {
35 sisdrv_PCI_IDS
36};
37
38static int sis_driver_load(struct drm_device *dev, unsigned long chipset)
39{
40 drm_sis_private_t *dev_priv;
41 int ret;
42
43 dev_priv = kzalloc(sizeof(drm_sis_private_t), GFP_KERNEL);
44 if (dev_priv == NULL)
45 return -ENOMEM;
46
47 dev->dev_private = (void *)dev_priv;
48 dev_priv->chipset = chipset;
49 ret = drm_sman_init(&dev_priv->sman, 2, 12, 8);
50 if (ret)
51 kfree(dev_priv);
52
53 return ret;
54}
55
56static int sis_driver_unload(struct drm_device *dev)
57{
58 drm_sis_private_t *dev_priv = dev->dev_private;
59
60 drm_sman_takedown(&dev_priv->sman);
61 kfree(dev_priv);
62
63 return 0;
64}
65
66static struct drm_driver driver = {
67 .driver_features = DRIVER_USE_AGP | DRIVER_USE_MTRR,
68 .load = sis_driver_load,
69 .unload = sis_driver_unload,
70 .dma_quiescent = sis_idle,
71 .reclaim_buffers = NULL,
72 .reclaim_buffers_idlelocked = sis_reclaim_buffers_locked,
73 .lastclose = sis_lastclose,
74 .ioctls = sis_ioctls,
75 .fops = {
76 .owner = THIS_MODULE,
77 .open = drm_open,
78 .release = drm_release,
79 .unlocked_ioctl = drm_ioctl,
80 .mmap = drm_mmap,
81 .poll = drm_poll,
82 .fasync = drm_fasync,
83 .llseek = noop_llseek,
84 },
85
86 .name = DRIVER_NAME,
87 .desc = DRIVER_DESC,
88 .date = DRIVER_DATE,
89 .major = DRIVER_MAJOR,
90 .minor = DRIVER_MINOR,
91 .patchlevel = DRIVER_PATCHLEVEL,
92};
93
94static struct pci_driver sis_pci_driver = {
95 .name = DRIVER_NAME,
96 .id_table = pciidlist,
97};
98
99static int __init sis_init(void)
100{
101 driver.num_ioctls = sis_max_ioctl;
102 return drm_pci_init(&driver, &sis_pci_driver);
103}
104
105static void __exit sis_exit(void)
106{
107 drm_pci_exit(&driver, &sis_pci_driver);
108}
109
110module_init(sis_init);
111module_exit(sis_exit);
112
113MODULE_AUTHOR(DRIVER_AUTHOR);
114MODULE_DESCRIPTION(DRIVER_DESC);
115MODULE_LICENSE("GPL and additional rights");